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104928013 = 195522527
BaseRepresentation
bin1100100000100…
…01001100001101
321022102220011201
412100101030031
5203330144023
614224545501
72412605401
oct620211415
9238386151
10104928013
1154257a73
122b182291
131897a8a8
14dd15101
159329bad
hex641130d

104928013 has 4 divisors (see below), whose sum is σ = 110450560. Its totient is φ = 99405468.

The previous prime is 104928007. The next prime is 104928059. The reversal of 104928013 is 310829401.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 310829401 = 734257937.

It is a cyclic number.

It is not a de Polignac number, because 104928013 - 217 = 104796941 is a prime.

It is a super-2 number, since 2×1049280132 = 22019775824256338, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (104928073) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2761245 + ... + 2761282.

It is an arithmetic number, because the mean of its divisors is an integer number (27612640).

Almost surely, 2104928013 is an apocalyptic number.

It is an amenable number.

104928013 is a deficient number, since it is larger than the sum of its proper divisors (5522547).

104928013 is an equidigital number, since it uses as much as digits as its factorization.

104928013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5522546.

The product of its (nonzero) digits is 1728, while the sum is 28.

The square root of 104928013 is about 10243.4375577733. The cubic root of 104928013 is about 471.6615598482.

The spelling of 104928013 in words is "one hundred four million, nine hundred twenty-eight thousand, thirteen".

Divisors: 1 19 5522527 104928013